“A convenient measure of internal migration could be the U-Haul Index.”
AKA the shithole index.
Exactly!
What’s in your Rearview Mirror?
Hmmm... The fact that the cost to rent a U-Haul OUT of California, New York, New Jersey, Massachusetts and similar progressive states, i.e., “Blue states”, is about twice that of the cost of renting a U-Haul TO those states might just be an indicator...